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Common Stock - Additional Information (Details)
1 Months Ended 12 Months Ended
Jul. 08, 2016
Apr. 04, 2016
Feb. 28, 2019
vote
Feb. 28, 2018
vote
Jul. 07, 2016
$ / shares
Class of Stock [Line Items]          
Stockholders equity note, stock split, conversion ratio 0.25 0.25      
Fair Value Per Share | $ / shares         $ 0.695
Class A Common Stock          
Class of Stock [Line Items]          
Number of votes per share of common stock     1    
Class B Common Stock          
Class of Stock [Line Items]          
Number of votes per share of common stock     10    
Class C Common Stock          
Class of Stock [Line Items]          
Number of votes per share of common stock     0 0